5.1.1 Structure of Polynucleotide Chain

NCERT Class 12 Biology, section 5.1.1 · Shishya practice, NCERT-based

9 questions, picked at random. Each is Shishya's own, written from this part of the NCERT chapter and answer-checked — not NCERT's text and not a NEET previous-year question. Read the chapter first; the explanation shows after each answer.

Question 1 of 9

Easy

Which statement about hydrogen bonding between bases in DNA is correct?

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